20171477180

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{1091}}^1\times {\mathrm{1619}}^1$

素因数の和:3290

約数の個数: 48

約数和(自身を含む): 42499416960

約数和(自身を除く): 22327939780

約数列:

[1, 2, 4, 5, 10, 20, 571, 1091, 1142, 1619, 2182, 2284, 2855, 3238, 4364, 5455, 5710, 6476, 8095, 10910, 11420, 16190, 21820, 32380, 622961, 924449, 1245922, 1766329, 1848898, 2491844, 3114805, 3532658, 3697796, 4622245, 6229610, 7065316, 8831645, 9244490, 12459220, 17663290, 18488980, 35326580, 1008573859, 2017147718, 4034295436, 5042869295, 10085738590, 20171477180]

約数ペア:

[(1, 20171477180), (2, 10085738590), (4, 5042869295), (5, 4034295436), (10, 2017147718), (20, 1008573859), (571, 35326580), (1091, 18488980), (1142, 17663290), (1619, 12459220), (2182, 9244490), (2284, 8831645), (2855, 7065316), (3238, 6229610), (4364, 4622245), (5455, 3697796), (5710, 3532658), (6476, 3114805), (8095, 2491844), (10910, 1848898), (11420, 1766329), (16190, 1245922), (21820, 924449), (32380, 622961)]